diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index eb502c6290c2..aacaa5119b45 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -119,7 +119,7 @@ struct iucv_irq_data {
 	u16 ippathid;
 	u8  ipflags1;
 	u8  iptype;
-	u32 res2[8];
+	u32 res2[9];
 };
 
 struct iucv_irq_list {